diff --git a/Polyhedron/examples/Polyhedron/off2iv.cpp b/Polyhedron/examples/Polyhedron/off2iv.cpp
deleted file mode 100644
index b1288b4d5fe..00000000000
--- a/Polyhedron/examples/Polyhedron/off2iv.cpp
+++ /dev/null
@@ -1,100 +0,0 @@
-// Convert from OFF format to OpenInventor (.iv) format.
-
-#include <CGAL/IO/Verbose_ostream.h>
-#include <CGAL/IO/Inventor_ostream.h>
-#include <CGAL/IO/File_writer_inventor.h>
-#include <CGAL/IO/generic_copy_OFF.h>
-#include <cstddef>
-#include <cstdlib>
-#include <cstring>
-#include <iostream>
-#include <fstream>
-
-using namespace std;
-
-bool  dummy_switch = false;
-bool  verbose      = false;
-
-// main function with standard unix commandline arguments
-// ------------------------------------------------------
-int main( int argc, char **argv) {
-    int n = 0; // number of filenames
-    char *filename[2];
-    bool help = false;
-    for (int i = 1; i < argc; i++) { // check commandline options
-	if ( strcmp( "-v", argv[i]) == 0)
-	    verbose = true;
-	else if ( (strcmp( "-h", argv[i]) == 0) ||
-		  (strcmp( "-help", argv[i]) == 0))
-	    help = true;
-	else if ( n < 2 ) {
-	    filename[ n++] = argv[i];
-	} else {
-	    ++n;
-	    break;
-	}
-    }
-    if ((n > 2) || help) {
-	if ( ! help)
-	    cerr << "Error: in parameter list" << endl;
-	cerr << "Usage: " << argv[0] << " [<options>] [<infile> [<outfile>]]"
-	     << endl;
-	cerr << "       convert a CGAL object (OFF) to Open Inventor .iv "
-	        "format." << endl;
-	cerr << "       -v      verbose." << endl;
-	exit( ! help);
-    }
-
-    CGAL::Verbose_ostream vout( verbose);
-    vout << argv[0] << ": verbosity on." << endl;
-
-    const char*  iname = "cin";
-    istream*     p_in = &cin;
-    ifstream     in;
-    if ( n > 0) {
-	in.open( filename[0]);
-	p_in = &in;
-	iname = filename[0];
-    }
-    if ( !*p_in) {
-	cerr << argv[0] << ": error: cannot open file '"<< iname
-	     << "' for reading." <<endl;
-	exit( 1);
-    }
-
-    const char*  oname    = "cout";
-    ostream*     p_out = &cout;
-    ofstream     out;
-    if ( n > 1) {
-	out.open( filename[1]);
-	p_out = &out;
-	oname = filename[1];
-    }
-    if ( !*p_out) {
-	cerr << argv[0] << ": error: cannot open file '"<< oname
-	     << "' for writing." <<endl;
-	exit( 1);
-    }
-
-    vout << "CGAL::generic_copy_OFF( " << iname << ", " << oname
-	 << ") ...." << endl;
-    CGAL::Inventor_ostream os( *p_out);
-    CGAL::File_writer_inventor  writer;
-    CGAL::generic_copy_OFF( *p_in, *p_out, writer);
-    if(!os) return EXIT_FAILURE;
-    os.close();
-    vout << "    .... done." << endl;
-
-    if ( !*p_in) {
-	cerr << argv[0] << " read error: while reading file '"
-	     << iname << "'." << endl;
-	exit( 1);
-    }
-    if ( !*p_out) {
-	cerr << argv[0] << " write error: while writing file '"
-	     << oname << "'." << endl;
-	exit( 1);
-    }
-    return 0;
-}
-// EOF //
diff --git a/Polyhedron/examples/Polyhedron/off2off.cpp b/Polyhedron/examples/Polyhedron/off2off.cpp
deleted file mode 100644
index a0a55752fa1..00000000000
--- a/Polyhedron/examples/Polyhedron/off2off.cpp
+++ /dev/null
@@ -1,107 +0,0 @@
-// Copies a file in OFF format.
-
-#include <CGAL/IO/Verbose_ostream.h>
-#include <CGAL/IO/File_writer_OFF.h>
-#include <CGAL/IO/generic_copy_OFF.h>
-#include <cstddef>
-#include <cstdlib>
-#include <cstring>
-#include <iostream>
-#include <fstream>
-
-using namespace std;
-
-bool  verbose      = false;
-bool  binary       = false;
-bool  skel         = false;
-bool  noc          = false;
-
-// main function with standard unix commandline arguments
-// ------------------------------------------------------
-int main( int argc, char **argv) {
-    int n = 0; // number of filenames
-    char *filename[2];
-    bool help = false;
-    for (int i = 1; i < argc; i++) { // check commandline options
-	if ( strcmp( "-v", argv[i]) == 0)
-	    verbose = true;
-	else if ( strcmp( "-b", argv[i]) == 0)
-	    binary = true;
-	else if ( strcmp( "-skel", argv[i]) == 0)
-	    skel = true;
-	else if ( strcmp( "-noc", argv[i]) == 0)
-	    noc = true;
-	else if ( (strcmp( "-h", argv[i]) == 0) ||
-		  (strcmp( "-help", argv[i]) == 0))
-	    help = true;
-	else if ( n < 2 ) {
-	    filename[ n++] = argv[i];
-	} else {
-	    ++n;
-	    break;
-	}
-    }
-    if ((n > 2) || help) {
-	if ( ! help)
-	    cerr << "Error: in parameter list" << endl;
-	cerr << "Usage: " << argv[0] << " [<options>] [<infile> [<outfile>]]"
-	     << endl;
-	cerr << "       copy an object in OFF." << endl;
-	cerr << "       -b      binary (default is ASCII)." << endl;
-	cerr << "       -skel   Geomview SKEL format." << endl;
-	cerr << "       -noc    no comments in file." << endl;
-	cerr << "       -v      verbose." << endl;
-	exit( ! help);
-    }
-
-    CGAL::Verbose_ostream vout( verbose);
-    vout << argv[0] << ": verbosity on." << endl;
-
-    const char*  iname = "cin";
-    istream*     p_in  = &cin;
-    ifstream     in;
-    if ( n > 0) {
-	in.open( filename[0]);
-	p_in = &in;
-	iname = filename[0];
-    }
-    if ( !*p_in) {
-	cerr << argv[0] << ": error: cannot open file '"<< iname
-	     << "' for reading." << endl;
-	exit( 1);
-    }
-
-    const char*  oname = "cout";
-    ostream*     p_out = &cout;
-    ofstream     out;
-    if ( n > 1) {
-	out.open( filename[1]);
-	p_out = &out;
-	oname = filename[1];
-    }
-    if ( !*p_out) {
-	cerr << argv[0] << ": error: cannot open file '"<< oname
-	     << "' for writing." <<endl;
-	exit( 1);
-    }
-
-    vout << "CGAL::generic_copy_OFF( " << iname << ", " << oname
-	 << (binary ? ", binary" : ", ASCII") << ") ...." << endl;
-    CGAL::File_header_OFF  header( binary, noc, skel, verbose);
-    CGAL::File_writer_OFF  writer( header);
-    CGAL::generic_copy_OFF( *p_in, *p_out, writer);
-    vout << "    .... done." << endl;
-
-    if ( !*p_in) {
-	cerr << argv[0] << " read error: while reading file '"
-	     << iname << "'." << endl;
-	exit( 1);
-    }
-    if ( !*p_out) {
-	cerr << argv[0] << " write error: while writing file '"
-	     << oname << "'." << endl;
-	exit( 1);
-    }
-    return 0;
-}
-// EOF //
diff --git a/Polyhedron/examples/Polyhedron/off2stl.cpp b/Polyhedron/examples/Polyhedron/off2stl.cpp
deleted file mode 100644
index 0419f5e218e..00000000000
--- a/Polyhedron/examples/Polyhedron/off2stl.cpp
+++ /dev/null
@@ -1,163 +0,0 @@
-// Convert from OFF format to StereoLithography StL format.
-
-#include <CGAL/Simple_cartesian.h>
-#include <CGAL/Polyhedron_3.h>
-#include <CGAL/IO/Verbose_ostream.h>
-#include <cstddef>
-#include <cstdlib>
-#include <cstring>
-#include <iostream>
-#include <fstream>
-
-using namespace std;
-
-bool  verbose  = false;
-bool  binary    = false;
-
-typedef CGAL::Simple_cartesian<double>  Kernel;
-typedef Kernel::Point_3                 Point;
-typedef Kernel::Vector_3                Vector;
-typedef CGAL::Polyhedron_3<Kernel>      Polyhedron;
-typedef Polyhedron::Vertex_iterator     Vertex_iterator;
-typedef Polyhedron::Facet_iterator      Facet_iterator;
-typedef Polyhedron::Halfedge_handle     Halfedge_handle;
-
-
-// main function with standard unix commandline arguments
-// ------------------------------------------------------
-int main( int argc, char **argv) {
-    int n = 0; // number of filenames
-    char *filename[2];
-    bool help = false;
-    for (int i = 1; i < argc; i++) { // check commandline options
-        if ( strcmp( "-v", argv[i]) == 0)
-            verbose = true;
-        else if ( strcmp( "-b", argv[i]) == 0)
-            binary = true;
-        else if ( (strcmp( "-h", argv[i]) == 0) ||
-                  (strcmp( "-help", argv[i]) == 0))
-            help = true;
-        else if ( n < 2 ) {
-            filename[ n++] = argv[i];
-        } else {
-	    ++n;
-            break;
-	}
-    }
-    if ((n > 2) || help) {
-        if ( ! help)
-            cerr << "Error: in parameter list" << endl;
-        cerr << "Usage: " << argv[0] << " [<options>] [<infile> [<outfile>]]"
-             << endl;
-        cerr << "       convert a CGAL object (OFF) to StereoLithography StL "
-                "format." << endl;
-        cerr << "       -v      verbose." << endl;
-        cerr << "       -b      binary." << endl;
-        exit( ! help);
-    }
-
-    CGAL::Verbose_ostream vout( verbose);
-    vout << argv[0] << ": verbosity on." << endl;
-
-    const char*  iname = "cin";
-    istream*     p_in  = &cin;
-    ifstream     in;
-    if ( n > 0) {
-        in.open( filename[0]);
-        p_in = &in;
-        iname = filename[0];
-    }
-    if ( !*p_in) {
-        cerr << argv[0] << ": error: cannot open file '"<< iname
-             << "' for reading." <<endl;
-        exit( 1);
-    }
-
-    vout << "Reading polyhedron ..." << endl;
-    Polyhedron P;
-    (*p_in) >> P;
-    vout << "    .... done." << endl;
-
-    if ( !*p_in) {
-        cerr << argv[0] << " read error: while reading file '"<< iname << "'."
-             << endl;
-        exit( 1);
-    }
-
-    const char*  oname = "cout";
-    ostream*     p_out = &cout;
-    ofstream     out;
-    if ( n > 1) {
-        out.open( filename[1]);
-        p_out = &out;
-        oname = filename[1];
-    }
-    if ( !*p_out) {
-        cerr << argv[0] << ": error: cannot open file '"<< oname
-             << "' for writing." <<endl;
-        exit( 1);
-    }
-
-    vout << "Write file ...." << endl;
-    *p_out << "solid " << oname << endl;
-
-    // find "bottom/left/front" corner to translate into positive octant
-    Vertex_iterator vi = P.vertices_begin();
-    Point p = vi->point();
-    double minx = p.x();
-    double miny = p.y();
-    double minz = p.z();
-    for ( ; vi != P.vertices_end(); ++vi) {
-        p = vi->point();
-        if ( p.x() < minx)
-            minx = p.x();
-        if ( p.y() < miny)
-            miny = p.y();
-        if ( p.z() < minz)
-            minz = p.z();
-    }
-    // translate into positive octant
-    Vector trans( -minx, -miny, -minz);
-    for ( Vertex_iterator i = P.vertices_begin(); i != P.vertices_end(); ++i) {
-        i->point() = i->point() + trans;
-    }
-    // write triangles
-    for ( Facet_iterator i = P.facets_begin(); i != P.facets_end(); ++i) {
-        Halfedge_handle h = i->halfedge();
-        if ( h->next()->next()->next() != h) {
-            cerr << argv[0] << " format error: polyhedron in file '"<<
-                iname << "' is not triangulated." << endl;
-            exit( 1);
-        }
-        Point p = h->vertex()->point();
-        Point q = h->next()->vertex()->point();
-        Point r = h->next()->next()->vertex()->point();
-        // compute normal
-        Vector n = CGAL::cross_product( q-p, r-p);
-        Vector norm = n / std::sqrt( n * n);
-        *p_out << "    facet normal " << norm << endl;
-        *p_out << "      outer loop " << endl;
-        *p_out << "        vertex " << p << endl;
-        *p_out << "        vertex " << q << endl;
-        *p_out << "        vertex " << r << endl;
-        *p_out << "      endloop " << endl;
-        *p_out << "    endfacet " << endl;
-    }
-
-    *p_out << "endsolid " << oname << endl;
-    vout << "    .... done." << endl;
-
-    if ( !*p_in) {
-        cerr << argv[0] << " read error: while reading file '"<< iname << "'."
-             << endl;
-        exit( 1);
-    }
-    if ( !*p_out) {
-        cerr << argv[0] <<" write error: while writing file '"<< oname << "'."
-             << endl;
-        exit( 1);
-    }
-
-    return 0;
-}
-// EOF //
diff --git a/Polyhedron/examples/Polyhedron/off2vrml.cpp b/Polyhedron/examples/Polyhedron/off2vrml.cpp
deleted file mode 100644
index dbf4a18419b..00000000000
--- a/Polyhedron/examples/Polyhedron/off2vrml.cpp
+++ /dev/null
@@ -1,113 +0,0 @@
-// Convert from OFF format to VRML (.wrl) 1.0 or 2.0 format.
-
-#include <CGAL/IO/Verbose_ostream.h>
-#include <CGAL/IO/VRML_1_ostream.h>
-#include <CGAL/IO/VRML_2_ostream.h>
-#include <CGAL/IO/File_writer_inventor.h>
-#include <CGAL/IO/File_writer_VRML_2.h>
-#include <CGAL/IO/generic_copy_OFF.h>
-#include <cstddef>
-#include <cstdlib>
-#include <cstring>
-#include <iostream>
-#include <fstream>
-
-using namespace std;
-
-bool  verbose      = false;
-int   version      = 1;
-
-// main function with standard unix commandline arguments
-// ------------------------------------------------------
-int main( int argc, char **argv) {
-    int n = 0; // number of filenames
-    char *filename[2];
-    bool help = false;
-    for (int i = 1; i < argc; i++) { // check commandline options
-        if ( strcmp( "-v", argv[i]) == 0)
-            verbose = true;
-        else if ( strcmp( "-2", argv[i]) == 0)
-            version = 2;
-        else if ( (strcmp( "-h", argv[i]) == 0) ||
-                  (strcmp( "-help", argv[i]) == 0))
-            help = true;
-        else if ( n < 2 ) {
-            filename[ n++] = argv[i];
-        } else {
-	    ++n;
-            break;
-	}
-    }
-    if ((n > 2) || help) {
-        if ( ! help)
-            cerr << "Error: in parameter list" << endl;
-        cerr << "Usage: " << argv[0] << " [<options>] [<infile> [<outfile>]]"
-             << endl;
-        cerr << "       convert a CGAL object (OFF) to VRML .wrl format."
-             << endl;
-        cerr << "       -2      VRML 2.0 (default is VRML 1.0)." << endl;
-        cerr << "       -v      verbose." << endl;
-        exit( ! help);
-    }
-
-    CGAL::Verbose_ostream vout( verbose);
-    vout << argv[0] << ": verbosity on." << endl;
-
-    const char*  iname = "cin";
-    istream*     p_in  = &cin;
-    ifstream     in;
-    if ( n > 0) {
-        in.open( filename[0]);
-        p_in = &in;
-        iname = filename[0];
-    }
-    if ( !*p_in) {
-        cerr << argv[0] << ": error: cannot open file '"<< iname
-             << "' for reading." <<endl;
-        exit( 1);
-    }
-
-    const char*  oname = "cout";
-    ostream*     p_out = &cout;
-    ofstream     out;
-    if ( n > 1) {
-        out.open( filename[1]);
-        p_out = &out;
-        oname = filename[1];
-    }
-    if ( !*p_out) {
-        cerr << argv[0] << ": error: cannot open file '"<< oname
-             << "' for writing." <<endl;
-        exit( 1);
-    }
-
-    vout << "CGAL::generic_copy_OFF( " << iname << ", " << oname
-         << ", V" << version << " ) ...." << endl;
-    if ( version == 1) {
-        CGAL::VRML_1_ostream os( *p_out);
-        CGAL::File_writer_inventor  writer;
-        CGAL::generic_copy_OFF( *p_in, *p_out, writer);
-        if(!os) return EXIT_FAILURE;
-        os.close();
-    } else {
-        CGAL::VRML_2_ostream os( *p_out);
-        CGAL::File_writer_VRML_2  writer;
-        CGAL::generic_copy_OFF( *p_in, *p_out, writer);
-        if(!os) return EXIT_FAILURE;
-        os.close();
-    }
-    vout << "    .... done." << endl;
-
-    if ( !*p_in) {
-        cerr << argv[0] << " read error: while reading file '"<< iname << "'."
-             << endl;
-        exit( 1);
-    }
-    if ( !*p_out) {
-        cerr << argv[0] <<" write error: while writing file '"<< oname << "'."
-             << endl;
-        exit( 1);
-    }
-    return 0;
-}
-// EOF //
diff --git a/Polyhedron/examples/Polyhedron/off2wav.cpp b/Polyhedron/examples/Polyhedron/off2wav.cpp
deleted file mode 100644
index 3a5615fdae5..00000000000
--- a/Polyhedron/examples/Polyhedron/off2wav.cpp
+++ /dev/null
@@ -1,96 +0,0 @@
-// Convert from OFF format to Wavefront (.obj) format.
-
-#include <CGAL/IO/Verbose_ostream.h>
-#include <CGAL/IO/File_writer_wavefront.h>
-#include <CGAL/IO/generic_copy_OFF.h>
-#include <cstddef>
-#include <cstdlib>
-#include <cstring>
-#include <iostream>
-#include <fstream>
-
-using namespace std;
-
-bool  verbose  = false;
-
-// main function with standard unix commandline arguments
-// ------------------------------------------------------
-int main( int argc, char **argv) {
-    int n = 0; // number of filenames
-    char *filename[2];
-    bool help = false;
-    for (int i = 1; i < argc; i++) { // check commandline options
-        if ( strcmp( "-v", argv[i]) == 0)
-            verbose = true;
-        else if ( (strcmp( "-h", argv[i]) == 0) ||
-                  (strcmp( "-help", argv[i]) == 0))
-            help = true;
-        else if ( n < 2 ) {
-            filename[ n++] = argv[i];
-        } else {
-	    ++n;
-            break;
-	}
-    }
-    if ((n > 2) || help) {
-        if ( ! help)
-            cerr << "Error: in parameter list" << endl;
-        cerr << "Usage: " << argv[0] << " [<options>] [<infile> [<outfile>]]"
-             << endl;
-        cerr << "       convert a CGAL object (OFF) to Wavefront obj format."
-             << endl;
-        cerr << "       -v      verbose." << endl;
-        exit( ! help);
-    }
-
-    CGAL::Verbose_ostream vout( verbose);
-    vout << argv[0] << ": verbosity on." << endl;
-
-    const char*  iname = "cin";
-    istream*     p_in  = &cin;
-    ifstream     in;
-    if ( n > 0) {
-        in.open( filename[0]);
-        p_in = &in;
-        iname = filename[0];
-    }
-    if ( !*p_in) {
-        cerr << argv[0] << ": error: cannot open file '"<< iname
-             << "' for reading." <<endl;
-        exit( 1);
-    }
-
-    const char*  oname = "cout";
-    ostream*     p_out = &cout;
-    ofstream     out;
-    if ( n > 1) {
-        out.open( filename[1]);
-        p_out = &out;
-        oname = filename[1];
-    }
-    if ( !*p_out) {
-        cerr << argv[0] << ": error: cannot open file '"<< oname
-             << "' for writing." <<endl;
-        exit( 1);
-    }
-
-    vout << "CGAL::generic_copy_OFF( " << iname << ", " << oname
-         << ") ...." << endl;
-    CGAL::File_writer_wavefront  writer;
-    CGAL::generic_copy_OFF( *p_in, *p_out, writer);
-    vout << "    .... done." << endl;
-
-    if ( !*p_in) {
-        cerr << argv[0] << " read error: while reading file '"<< iname << "'."
-             << endl;
-        exit( 1);
-    }
-    if ( !*p_out) {
-        cerr << argv[0] <<" write error: while writing file '"<< oname << "'."
-             << endl;
-        exit( 1);
-    }
-
-    return 0;
-}
-// EOF //
diff --git a/Polyhedron/examples/Polyhedron/off_bbox.cpp b/Polyhedron/examples/Polyhedron/off_bbox.cpp
deleted file mode 100644
index be4412cb53c..00000000000
--- a/Polyhedron/examples/Polyhedron/off_bbox.cpp
+++ /dev/null
@@ -1,127 +0,0 @@
-// computes bbox of an OFF object.
-
-#include <CGAL/Bbox_3.h>
-#include <CGAL/IO/Verbose_ostream.h>
-#include <CGAL/IO/File_scanner_OFF.h>
-#include <cstddef>
-#include <cstdlib>
-#include <cstring>
-#include <iostream>
-#include <fstream>
-#include <cfloat>
-
-
-using namespace std;
-
-bool  verbose   = false;
-bool  unitcube  = false;
-
-// main function with standard unix commandline arguments
-// ------------------------------------------------------
-int main( int argc, char **argv) {
-    int n = 0; // number of filenames
-    char *filename[1] = { NULL }; // stop compiler warning (too hard to rewrite the code to avoid it)
-    bool help = false;
-    for (int i = 1; i < argc; i++) { // check commandline options
-        if ( strcmp( "-v", argv[i]) == 0)
-            verbose = true;
-        else if ( strcmp( "-unit", argv[i]) == 0)
-            unitcube = true;
-        else if ( (strcmp( "-h", argv[i]) == 0) ||
-                  (strcmp( "-help", argv[i]) == 0))
-            help = true;
-        else if ( n < 1 ) {
-            filename[ n++] = argv[i];
-        } else {
-	    n++;
-            break;
-	}
-    }
-    if ((n > 1) || help) {
-        if ( ! help)
-            cerr << "Error: in parameter list" << endl;
-        cerr << "Usage: " << argv[0] << " [<options>] [<infile> [<outfile>]]"
-             << endl;
-        cerr << "Usage: " << argv[0] << " [<options>] [<infile>]" << endl;
-        cerr << "       computes the bbox of the coordinates of an OFF object."
-             << endl;
-        cerr << "       -unit     prints transformation to unit cube." << endl;
-        cerr << "                 (can be used with 'off_transform')" << endl;
-        cerr << "       -v      verbose." << endl;
-        exit( ! help);
-    }
-
-    CGAL::Verbose_ostream verr( verbose);
-    verr << argv[0] << ": verbosity on." << endl;
-
-    const char*  name = "cin";
-    istream*     p_in = &cin;
-    ifstream     in;
-    if ( n > 0) {
-        in.open( filename[0]);
-        p_in = &in;
-        name = filename[0];
-    }
-    if ( ! * p_in) {
-        cerr << argv[0] << ": error: cannot open file '"<< name
-         << "' for reading." <<endl;
-        exit( 1);
-    }
-
-    verr << "CGAL::File_scanner_OFF( " << name << ") ...." << endl;
-    CGAL::File_scanner_OFF scanner( * p_in);
-    if ( ! * p_in) {
-        cerr << argv[0] << ": error: file '"<< name
-         << "' is not in OFF format." << endl;
-        std::abort();
-    }
-    if ( scanner.size_of_vertices() <= 0) {
-        cerr << argv[0] << ": error: file '"<< name
-         << "' has no vertices." << endl;
-        std::abort();
-    }
-    size_t  v = scanner.size_of_vertices();
-    CGAL::Bbox_3 bbox;
-    double x, y, z;
-    scanner.scan_vertex( x, y, z);
-    bbox = CGAL::Bbox_3( x,y,z, x,y,z);
-    v--;
-    while (v--) {
-        scanner.scan_vertex( x, y, z);
-        bbox = bbox + CGAL::Bbox_3( x,y,z, x,y,z);
-        scanner.skip_to_next_vertex( scanner.size_of_vertices() - v - 1);
-    }
-    verr << ".... done." << scanner.size_of_vertices() << " points read."
-         << endl;
-
-    if ( !in) {
-        cerr << argv[0] << " read error: while reading file '"<< name << "'."
-             << endl;
-        exit( 1);
-    }
-    if ( ! unitcube) {
-        cout << bbox.xmin() << "  " << bbox.ymin() << "  " << bbox.zmin()
-             << '\n';
-        cout << bbox.xmax() << "  " << bbox.ymax() << "  " << bbox.zmax()
-             << endl;
-    } else {
-        double s = DBL_MAX;
-        double d = bbox.xmax() - bbox.xmin();
-        if ( d > 0 && 2/d < s)
-            s = 2/d;
-        d = bbox.ymax() - bbox.ymin();
-        if ( d > 0 && 2/d < s)
-            s = 2/d;
-        d = bbox.zmax() - bbox.zmin();
-        if ( d > 0 && 2/d < s)
-            s = 2/d;
-        if ( s == DBL_MAX)
-            s = 1;
-        cout << "-trans  " << (-(bbox.xmin() + bbox.xmax())/2)
-             << "  "       << (-(bbox.ymin() + bbox.ymax())/2)
-             << "  "       << (-(bbox.zmin() + bbox.zmax())/2)
-             << "  -scale  " << s << endl;
-    }
-    return 0;
-}
-// EOF //
diff --git a/Polyhedron/examples/Polyhedron/off_glue.cpp b/Polyhedron/examples/Polyhedron/off_glue.cpp
deleted file mode 100644
index 8c2c3e5bd10..00000000000
--- a/Polyhedron/examples/Polyhedron/off_glue.cpp
+++ /dev/null
@@ -1,206 +0,0 @@
-// Glue vertices of a polyhedron together that have equal coordinate values.
-
-#include <CGAL/Simple_cartesian.h>
-#include <CGAL/IO/Verbose_ostream.h>
-#include <CGAL/IO/File_scanner_OFF.h>
-#include <CGAL/IO/File_writer_OFF.h>
-#include <cstddef>
-#include <cstdlib>
-#include <cstring>
-#include <iostream>
-#include <fstream>
-#include <vector>
-#include <algorithm>
-
-using namespace std;
-
-typedef  CGAL::Simple_cartesian<double>  Kernel;
-typedef  Kernel::Point_3                 Point;
-typedef  Kernel::Vector_3                Vector;
-struct   Vertex {
-    Point   point;
-    Vector  normal;
-    int     index;
-};
-typedef  vector<Vertex>           Vertex_vector;
-typedef  Vertex_vector::iterator  VIterator;
-
-struct   VertexComp {
-    bool operator()( const Vertex* v, const Vertex* w) const {
-        return ( v->point.x() < w->point.x() ||
-            (v->point.x() == w->point.x() && v->point.y() < w->point.y()) ||
-            (v->point.x() == w->point.x() && (v->point.y() == w->point.y()
-                                           && v->point.z() < w->point.z())));
-    }
-};
-
-bool  verbose = false;
-bool  binary  = false;
-bool  skel    = false;
-bool  noc     = false;
-
-// main function with standard unix commandline arguments
-// ------------------------------------------------------
-int main( int argc, char **argv) {
-    int n = 0; // number of filenames
-    char *filename[2];
-    bool help = false;
-    for (int i=1 ; i < argc; i++) { // check commandline options
-        if ( strcmp( "-v", argv[i]) == 0)
-            verbose = true;
-        else if ( strcmp( "-b", argv[i]) == 0)
-            binary = true;
-        else if ( strcmp( "-skel", argv[i]) == 0)
-            skel = true;
-        else if ( strcmp( "-noc", argv[i]) == 0)
-            noc = true;
-        else if ( (strcmp( "-h", argv[i]) == 0) ||
-                  (strcmp( "-help", argv[i]) == 0))
-            help = true;
-        else if ( n < 2 ) {
-            filename[ n++] = argv[i];
-        } else {
-	    ++n;
-            break;
-	}
-    }
-    if ((n > 2) || help) {
-        if ( ! help)
-            cerr << "Error: in parameter list" << endl;
-        cerr << "Usage: " << argv[0] << " [<options>] [<infile> [<outfile>]]"
-             << endl;
-        cerr << "       glues vertices of equal coordinates together." << endl;
-        cerr << "       -b      binary output (default is ASCII)." << endl;
-        cerr << "       -skel   Geomview SKEL format." << endl;
-        cerr << "       -noc    no comments in file." << endl;
-        cerr << "       -v      verbose." << endl;
-        exit( ! help);
-    }
-
-    CGAL::Verbose_ostream vout( verbose);
-    vout << argv[0] << ": verbosity on." << endl;
-
-    const char*  name = "<cin>";
-    istream*     p_in = &cin;
-    ifstream     in;
-    if ( n > 0) {
-        in.open( filename[0]);
-        p_in = &in;
-        name = filename[0];
-    }
-    if ( !in) {
-        cerr << argv[0] << ": error: cannot open file '"<< name
-         << "' for reading." <<endl;
-        exit( 1);
-    }
-
-    CGAL::File_scanner_OFF  scanner( * p_in);
-    if ( ! (*p_in)) {
-        cerr << " " << endl;
-        cerr << argv[0] << ": input error: file format is not in OFF." << endl;
-        std::abort();
-    }
-    Vertex_vector            vertices;
-    vector<Vertex*>          sorted_vertices;
-    // Avoid any reallocation
-    vertices.reserve(        scanner.size_of_vertices());
-    sorted_vertices.reserve( scanner.size_of_vertices());
-
-    float x, y, z;
-    for (std::size_t i = 0; i < scanner.size_of_vertices(); i++) {
-        Vertex  vertex;
-        scanner.scan_vertex( x, y, z);
-        vertex.point = Point( x, y, z);
-        //scanner.scan_normal( x, y, z);
-        vertex.normal = Vector( x, y, z);
-        scanner.skip_to_next_vertex( i);
-        vertex.index = -1;
-        vertices.push_back( vertex);
-        sorted_vertices.push_back( & vertices.back());
-    }
-    vout << scanner.size_of_vertices() << " vertices read." << endl;
-
-    sort( sorted_vertices.begin(), sorted_vertices.end(), VertexComp());
-    int current_index = 0;
-    sorted_vertices[0]->index = 0;
-    for (std::size_t i = 1; i < scanner.size_of_vertices(); i++) {
-        if ( sorted_vertices[i]->point != sorted_vertices[i-1]->point)
-            current_index++;
-        sorted_vertices[i]->index = current_index;
-    }
-    current_index++;
-    vout << "Merged to " << current_index << " vertices." << endl;
-
-    const char*  oname = "<cout>";
-    ostream*     p_out = &cout;
-    ofstream     out;
-    if ( n > 1) {
-        out.open( filename[1]);
-        p_out = &out;
-        oname = filename[1];
-    }
-    if ( !*p_out) {
-        cerr << argv[0] << ": error: cannot open file '"<< oname
-             << "' for writing." <<endl;
-        exit( 1);
-    }
-
-    vout << "CGAL::File_writer_OFF( " << (binary ? ", binary" : ", ASCII")
-         << ") ...." << endl;
-    CGAL::File_header_OFF  header( binary, noc, skel, verbose);
-    CGAL::File_writer_OFF  writer( header);
-    writer.write_header(*p_out,
-                        current_index,
-                        0,
-                        scanner.size_of_facets(),
-                        scanner.has_normals());
-    vector<Vertex*>::iterator v = sorted_vertices.begin();
-    writer.write_vertex((*v)->point.x(), (*v)->point.y(), (*v)->point.z());
-    if ( scanner.has_normals()) {
-        writer.write_normal((*v)->normal.x(),
-                            (*v)->normal.y(),
-                            (*v)->normal.z());
-    }
-    ++v;
-    for ( ; v != sorted_vertices.end(); ++v) {
-        if ( (*v)->index != (*(v-1))->index) {
-            writer.write_vertex( (*v)->point.x(),
-                                 (*v)->point.y(),
-                                 (*v)->point.z());
-            if ( scanner.has_normals()) {
-                writer.write_normal( (*v)->normal.x(),
-                                     (*v)->normal.y(),
-                                     (*v)->normal.z());
-            }
-        }
-    }
-
-    // Copy facets and translate vertex indices.
-    writer.write_facet_header();
-    for (std::size_t i = 0; i < scanner.size_of_facets(); i++) {
-      std::size_t no;  // number of vertices of a facet.
-        scanner.scan_facet( no, i);
-        writer.write_facet_begin( no);
-        for ( std::size_t j = 0; j < no; j++) {
-          std::size_t index;
-            scanner.scan_facet_vertex_index( index, i);
-            writer.write_facet_vertex_index(  vertices[index].index);
-        }
-        scanner.skip_to_next_facet( i);
-        writer.write_facet_end();
-    }
-    writer.write_footer();
-    vout << "    .... done." << endl;
-
-    if ( ! * p_in) {
-        cerr << argv[0] << " read error: while reading file '"<< name << "'."
-             << endl;
-        exit( 1);
-    }
-    if ( !*p_out) {
-        cerr << argv[0] << " write error: while writing file '"<< oname
-             << "'."  << endl;
-        exit( 1);
-    }
-    return 0;
-}
diff --git a/Polyhedron/examples/Polyhedron/off_transform.cpp b/Polyhedron/examples/Polyhedron/off_transform.cpp
deleted file mode 100644
index 562193795d0..00000000000
--- a/Polyhedron/examples/Polyhedron/off_transform.cpp
+++ /dev/null
@@ -1,164 +0,0 @@
-// Applies translation and scaling to an OFF object.
-
-#include <CGAL/Simple_cartesian.h>
-#include <CGAL/IO/Verbose_ostream.h>
-#include <CGAL/IO/File_scanner_OFF.h>
-#include <CGAL/IO/File_writer_OFF.h>
-#include <cstddef>
-#include <cstdlib>
-#include <cstring>
-#include <iostream>
-#include <fstream>
-
-using namespace std;
-
-typedef  CGAL::Simple_cartesian<double>  Kernel;
-typedef  Kernel::Point_3                 Point;
-typedef  Kernel::Vector_3                Vector;
-
-bool    verbose      = false;
-bool    binary       = false;
-bool    skel         = false;
-bool    noc          = false;
-
-double  transx       =  0.0;
-double  transy       =  0.0;
-double  transz       =  0.0;
-double  scale        =  1.0;
-
-// main function with standard unix commandline arguments
-// ------------------------------------------------------
-int main( int argc, char **argv) {
-    int n = 0; // number of filenames
-    char *filename[2];
-    bool help = false;
-    for (int i = 1; i < argc; i++) { // check commandline options
-        if ( strcmp( "-v", argv[i]) == 0)
-            verbose = true;
-        else if ( strcmp( "-b", argv[i]) == 0)
-            binary = true;
-        else if ( strcmp( "-skel", argv[i]) == 0)
-            skel = true;
-        else if ( strcmp( "-noc", argv[i]) == 0)
-            noc = true;
-        else if ( strcmp( "-scale", argv[i]) == 0) {
-            i++;
-            if ( i < argc) {
-                scale = atof( argv[i]);
-            } else {
-                cerr << argv[0] << ": error: -scale needs a double parameter."
-                     << endl;
-                help = true;
-            }
-        } else if ( strcmp( "-trans", argv[i]) == 0) {
-            i++;
-            if ( i+2 < argc) {
-                transx = atof( argv[i]);
-                i++;
-                transy = atof( argv[i]);
-                i++;
-                transz = atof( argv[i]);
-            } else {
-                cerr << argv[0] << ": error: -trans needs three double "
-                        "parameters." << endl;
-                help = true;
-            }
-        } else if ( (strcmp( "-h", argv[i]) == 0) ||
-		    (strcmp( "-help", argv[i]) == 0))
-            help = true;
-        else if ( n < 2 ) {
-            filename[ n++] = argv[i];
-        } else {
-	    ++n;
-            break;
-	}
-    }
-    if ((n > 2) || help) {
-        if ( ! help)
-            cerr << "Error: in parameter list" << endl;
-        cerr << "Usage: " << argv[0] << " [<options>] [<infile> [<outfile>]]"
-             << endl;
-        cerr << "       transforms coordinate values of an OFF object."
-             << endl;
-        cerr << "       -trans <x> <y> <y>    translation." << endl;
-        cerr << "       -scale <s>            uniform scaling." << endl;
-        cerr << "       -b                    binary (default is ASCII)."
-             << endl;
-        cerr << "       -skel                 Geomview SKEL format." << endl;
-        cerr << "       -noc                  no comments in file." << endl;
-        cerr << "       -v                    verbose." << endl;
-        exit( ! help);
-    }
-
-    CGAL::Verbose_ostream verr( verbose);
-    verr << argv[0] << ": verbosity on." << endl;
-
-    const char*  name = "cin";
-    istream*     p_in = &cin;
-    ifstream     in;
-    if ( n > 0) {
-        in.open( filename[0]);
-        p_in = &in;
-        name = filename[0];
-    }
-    if ( ! * p_in) {
-        cerr << argv[0] << ": error: cannot open file '"<< name
-         << "' for reading." <<endl;
-        exit( 1);
-    }
-
-    verr << "CGAL::File_scanner_OFF( " << name << ") ...." << endl;
-    CGAL::File_scanner_OFF scanner( * p_in);
-    if ( ! * p_in) {
-        cerr << argv[0] << ": error: file '"<< name
-         << "' is not in OFF format." << endl;
-        std::abort();
-    }
-    verr << "CGAL::File_writer_OFF( ..." << endl;
-    const char*  oname = "cout";
-    ostream*     p_out = &cout;
-    ofstream     out;
-    if ( n > 1) {
-        out.open( filename[1]);
-        p_out = &out;
-        oname = filename[1];
-    }
-    if ( !*p_out) {
-        cerr << argv[0] << ": error: cannot open file '"<< oname
-             << "' for writing." <<endl;
-        exit( 1);
-    }
-
-    CGAL::File_header_OFF  header( binary, noc, skel, verbose);
-    CGAL::File_writer_OFF  writer( header);
-    writer.write_header( * p_out,
-                         scanner.size_of_vertices(),
-                         scanner.size_of_halfedges(),
-                         scanner.size_of_facets());
-
-    Vector v( transx, transy, transz);
-    for ( std::size_t k = 0; k < scanner.size_of_vertices(); ++k) {
-        double x, y, z;
-        scanner.scan_vertex( x, y, z);
-        Point q( x, y, z);
-        q = q + v;
-        q = CGAL::ORIGIN + ( (q - CGAL::ORIGIN) * scale );
-        scanner.skip_to_next_vertex( k);
-        writer.write_vertex( q.x(), q.y(), q.z());
-    }
-    verr << "    .... done." << scanner.size_of_vertices() << " points read."
-	 << endl;
-
-    if ( ! *p_in) {
-        cerr << argv[0] << " read error: while reading file '"<< name << "'."
-             << endl;
-        exit( 1);
-    }
-    writer.write_facet_header();
-    * p_out << endl;
-    char c;
-    while ( (*p_in).get(c))
-        * p_out << c;
-    return 0;
-}
-// EOF //
diff --git a/Stream_support/examples/Stream_support/CMakeLists.txt b/Stream_support/examples/Stream_support/CMakeLists.txt
index bb12e6cd1e4..00fedc088e0 100644
--- a/Stream_support/examples/Stream_support/CMakeLists.txt
+++ b/Stream_support/examples/Stream_support/CMakeLists.txt
@@ -27,6 +27,16 @@ if ( CGAL_FOUND )
     create_single_source_cgal_program( "read_WKT.cpp" )
 
     create_single_source_cgal_program( "read_xml.cpp" )
+
+    create_single_source_cgal_program( "iv2off.cpp" )
+    create_single_source_cgal_program( "off2iv.cpp" )
+    create_single_source_cgal_program( "off2off.cpp" )
+    create_single_source_cgal_program( "off2stl.cpp" )
+    create_single_source_cgal_program( "off2vrml.cpp" )
+    create_single_source_cgal_program( "off2wav.cpp" )
+    create_single_source_cgal_program( "off_bbox.cpp" )
+    create_single_source_cgal_program( "off_glue.cpp" )
+    create_single_source_cgal_program( "off_transform.cpp" )
   
 else ()
   message(STATUS "This project requires the CGAL library, and will not be compiled.")
diff --git a/Polyhedron/examples/Polyhedron/iv2off.cin b/Stream_support/examples/Stream_support/iv2off.cin
similarity index 100%
rename from Polyhedron/examples/Polyhedron/iv2off.cin
rename to Stream_support/examples/Stream_support/iv2off.cin
diff --git a/Polyhedron/examples/Polyhedron/iv2off.cpp b/Stream_support/examples/Stream_support/iv2off.cpp
similarity index 100%
rename from Polyhedron/examples/Polyhedron/iv2off.cpp
rename to Stream_support/examples/Stream_support/iv2off.cpp
diff --git a/Polyhedron/examples/Polyhedron/off2iv.cin b/Stream_support/examples/Stream_support/off2iv.cin
similarity index 100%
rename from Polyhedron/examples/Polyhedron/off2iv.cin
rename to Stream_support/examples/Stream_support/off2iv.cin
diff --git a/Stream_support/examples/Stream_support/off2iv.cpp b/Stream_support/examples/Stream_support/off2iv.cpp
new file mode 100644
index 00000000000..a65d8cf4080
--- /dev/null
+++ b/Stream_support/examples/Stream_support/off2iv.cpp
@@ -0,0 +1,100 @@
+// Convert from OFF format to OpenInventor (.iv) format.
+
+#include <CGAL/IO/Verbose_ostream.h>
+#include <CGAL/IO/Inventor_ostream.h>
+#include <CGAL/IO/File_writer_inventor.h>
+#include <CGAL/IO/generic_copy_OFF.h>
+#include <cstddef>
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+#include <fstream>
+
+using namespace std;
+
+bool  dummy_switch = false;
+bool  verbose      = false;
+
+// main function with standard unix commandline arguments
+// ------------------------------------------------------
+int main( int argc, char **argv) {
+  int n = 0; // number of filenames
+  char *filename[2];
+  bool help = false;
+  for (int i = 1; i < argc; i++) { // check commandline options
+    if ( strcmp( "-v", argv[i]) == 0)
+      verbose = true;
+    else if ( (strcmp( "-h", argv[i]) == 0) ||
+              (strcmp( "-help", argv[i]) == 0))
+      help = true;
+    else if ( n < 2 ) {
+      filename[ n++] = argv[i];
+    } else {
+      ++n;
+      break;
+    }
+  }
+  if ((n > 2) || help) {
+    if ( ! help)
+      cerr << "Error: in parameter list" << endl;
+    cerr << "Usage: " << argv[0] << " [<options>] [<infile> [<outfile>]]"
+         << endl;
+    cerr << "       convert a CGAL object (OFF) to Open Inventor .iv "
+            "format." << endl;
+    cerr << "       -v      verbose." << endl;
+    exit( ! help);
+  }
+
+  CGAL::Verbose_ostream vout( verbose);
+  vout << argv[0] << ": verbosity on." << endl;
+
+  const char*  iname = "cin";
+  istream*     p_in = &cin;
+  ifstream     in;
+  if ( n > 0) {
+    in.open( filename[0]);
+    p_in = &in;
+    iname = filename[0];
+  }
+  if ( !*p_in) {
+    cerr << argv[0] << ": error: cannot open file '"<< iname
+                    << "' for reading." <<endl;
+    exit( 1);
+  }
+
+  const char*  oname    = "cout";
+  ostream*     p_out = &cout;
+  ofstream     out;
+  if ( n > 1) {
+    out.open( filename[1]);
+    p_out = &out;
+    oname = filename[1];
+  }
+  if ( !*p_out) {
+    cerr << argv[0] << ": error: cannot open file '"<< oname
+                    << "' for writing." <<endl;
+    exit( 1);
+  }
+
+  vout << "CGAL::generic_copy_OFF( " << iname << ", " << oname
+       << ") ...." << endl;
+  CGAL::Inventor_ostream os( *p_out);
+  CGAL::File_writer_inventor  writer;
+  CGAL::generic_copy_OFF( *p_in, *p_out, writer);
+  if(!os) return EXIT_FAILURE;
+  os.close();
+  vout << "    .... done." << endl;
+
+  if ( !*p_in) {
+    cerr << argv[0] << " read error: while reading file '"
+                    << iname << "'." << endl;
+    exit( 1);
+  }
+  if ( !*p_out) {
+    cerr << argv[0] << " write error: while writing file '"
+                    << oname << "'." << endl;
+    exit( 1);
+  }
+  return 0;
+}
+// EOF //
diff --git a/Polyhedron/examples/Polyhedron/off2off.cin b/Stream_support/examples/Stream_support/off2off.cin
similarity index 100%
rename from Polyhedron/examples/Polyhedron/off2off.cin
rename to Stream_support/examples/Stream_support/off2off.cin
diff --git a/Stream_support/examples/Stream_support/off2off.cpp b/Stream_support/examples/Stream_support/off2off.cpp
new file mode 100644
index 00000000000..49b705a0fde
--- /dev/null
+++ b/Stream_support/examples/Stream_support/off2off.cpp
@@ -0,0 +1,107 @@
+// Copies a file in OFF format.
+
+#include <CGAL/IO/Verbose_ostream.h>
+#include <CGAL/IO/File_writer_OFF.h>
+#include <CGAL/IO/generic_copy_OFF.h>
+#include <cstddef>
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+#include <fstream>
+
+using namespace std;
+
+bool  verbose      = false;
+bool  binary       = false;
+bool  skel         = false;
+bool  noc          = false;
+
+// main function with standard unix commandline arguments
+// ------------------------------------------------------
+int main( int argc, char **argv) {
+  int n = 0; // number of filenames
+  char *filename[2];
+  bool help = false;
+  for (int i = 1; i < argc; i++) { // check commandline options
+    if ( strcmp( "-v", argv[i]) == 0)
+      verbose = true;
+    else if ( strcmp( "-b", argv[i]) == 0)
+      binary = true;
+    else if ( strcmp( "-skel", argv[i]) == 0)
+      skel = true;
+    else if ( strcmp( "-noc", argv[i]) == 0)
+      noc = true;
+    else if ( (strcmp( "-h", argv[i]) == 0) ||
+              (strcmp( "-help", argv[i]) == 0))
+      help = true;
+    else if ( n < 2 ) {
+      filename[ n++] = argv[i];
+    } else {
+      ++n;
+      break;
+    }
+  }
+  if ((n > 2) || help) {
+    if ( ! help)
+      cerr << "Error: in parameter list" << endl;
+    cerr << "Usage: " << argv[0] << " [<options>] [<infile> [<outfile>]]"
+         << endl;
+    cerr << "       copy an object in OFF." << endl;
+    cerr << "       -b      binary (default is ASCII)." << endl;
+    cerr << "       -skel   Geomview SKEL format." << endl;
+    cerr << "       -noc    no comments in file." << endl;
+    cerr << "       -v      verbose." << endl;
+    exit( ! help);
+  }
+
+  CGAL::Verbose_ostream vout( verbose);
+  vout << argv[0] << ": verbosity on." << endl;
+
+  const char*  iname = "cin";
+  istream*     p_in  = &cin;
+  ifstream     in;
+  if ( n > 0) {
+    in.open( filename[0]);
+    p_in = &in;
+    iname = filename[0];
+  }
+  if ( !*p_in) {
+    cerr << argv[0] << ": error: cannot open file '"<< iname
+                    << "' for reading." << endl;
+    exit( 1);
+  }
+
+  const char*  oname = "cout";
+  ostream*     p_out = &cout;
+  ofstream     out;
+  if ( n > 1) {
+    out.open( filename[1]);
+    p_out = &out;
+    oname = filename[1];
+  }
+  if ( !*p_out) {
+    cerr << argv[0] << ": error: cannot open file '"<< oname
+                    << "' for writing." <<endl;
+    exit( 1);
+  }
+
+  vout << "CGAL::generic_copy_OFF( " << iname << ", " << oname
+       << (binary ? ", binary" : ", ASCII") << ") ...." << endl;
+  CGAL::File_header_OFF  header( binary, noc, skel, verbose);
+  CGAL::File_writer_OFF  writer( header);
+  CGAL::generic_copy_OFF( *p_in, *p_out, writer);
+  vout << "    .... done." << endl;
+
+  if ( !*p_in) {
+    cerr << argv[0] << " read error: while reading file '"
+                    << iname << "'." << endl;
+    exit( 1);
+  }
+  if ( !*p_out) {
+    cerr << argv[0] << " write error: while writing file '"
+                    << oname << "'." << endl;
+    exit( 1);
+  }
+  return 0;
+}
+// EOF //
diff --git a/Polyhedron/examples/Polyhedron/off2stl.cin b/Stream_support/examples/Stream_support/off2stl.cin
similarity index 100%
rename from Polyhedron/examples/Polyhedron/off2stl.cin
rename to Stream_support/examples/Stream_support/off2stl.cin
diff --git a/Stream_support/examples/Stream_support/off2stl.cpp b/Stream_support/examples/Stream_support/off2stl.cpp
new file mode 100644
index 00000000000..1c4397865ee
--- /dev/null
+++ b/Stream_support/examples/Stream_support/off2stl.cpp
@@ -0,0 +1,163 @@
+// Convert from OFF format to StereoLithography StL format.
+
+#include <CGAL/Simple_cartesian.h>
+#include <CGAL/Polyhedron_3.h>
+#include <CGAL/IO/Verbose_ostream.h>
+#include <cstddef>
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+#include <fstream>
+
+using namespace std;
+
+bool  verbose  = false;
+bool  binary    = false;
+
+typedef CGAL::Simple_cartesian<double>  Kernel;
+typedef Kernel::Point_3                 Point;
+typedef Kernel::Vector_3                Vector;
+typedef CGAL::Polyhedron_3<Kernel>      Polyhedron;
+typedef Polyhedron::Vertex_iterator     Vertex_iterator;
+typedef Polyhedron::Facet_iterator      Facet_iterator;
+typedef Polyhedron::Halfedge_handle     Halfedge_handle;
+
+
+// main function with standard unix commandline arguments
+// ------------------------------------------------------
+int main( int argc, char **argv) {
+  int n = 0; // number of filenames
+  char *filename[2];
+  bool help = false;
+  for (int i = 1; i < argc; i++) { // check commandline options
+    if ( strcmp( "-v", argv[i]) == 0)
+      verbose = true;
+    else if ( strcmp( "-b", argv[i]) == 0)
+      binary = true;
+    else if ( (strcmp( "-h", argv[i]) == 0) ||
+              (strcmp( "-help", argv[i]) == 0))
+      help = true;
+    else if ( n < 2 ) {
+      filename[ n++] = argv[i];
+    } else {
+      ++n;
+      break;
+    }
+  }
+  if ((n > 2) || help) {
+    if ( ! help)
+      cerr << "Error: in parameter list" << endl;
+    cerr << "Usage: " << argv[0] << " [<options>] [<infile> [<outfile>]]"
+         << endl;
+    cerr << "       convert a CGAL object (OFF) to StereoLithography StL "
+            "format." << endl;
+    cerr << "       -v      verbose." << endl;
+    cerr << "       -b      binary." << endl;
+    exit( ! help);
+  }
+
+  CGAL::Verbose_ostream vout( verbose);
+  vout << argv[0] << ": verbosity on." << endl;
+
+  const char*  iname = "cin";
+  istream*     p_in  = &cin;
+  ifstream     in;
+  if ( n > 0) {
+    in.open( filename[0]);
+    p_in = &in;
+    iname = filename[0];
+  }
+  if ( !*p_in) {
+    cerr << argv[0] << ": error: cannot open file '"<< iname
+                    << "' for reading." <<endl;
+    exit( 1);
+  }
+
+  vout << "Reading polyhedron ..." << endl;
+  Polyhedron P;
+  (*p_in) >> P;
+  vout << "    .... done." << endl;
+
+  if ( !*p_in) {
+    cerr << argv[0] << " read error: while reading file '"<< iname << "'."
+                    << endl;
+    exit( 1);
+  }
+
+  const char*  oname = "cout";
+  ostream*     p_out = &cout;
+  ofstream     out;
+  if ( n > 1) {
+    out.open( filename[1]);
+    p_out = &out;
+    oname = filename[1];
+  }
+  if ( !*p_out) {
+    cerr << argv[0] << ": error: cannot open file '"<< oname
+                    << "' for writing." <<endl;
+    exit( 1);
+  }
+
+  vout << "Write file ...." << endl;
+  *p_out << "solid " << oname << endl;
+
+  // find "bottom/left/front" corner to translate into positive octant
+  Vertex_iterator vi = P.vertices_begin();
+  Point p = vi->point();
+  double minx = p.x();
+  double miny = p.y();
+  double minz = p.z();
+  for ( ; vi != P.vertices_end(); ++vi) {
+    p = vi->point();
+    if ( p.x() < minx)
+      minx = p.x();
+    if ( p.y() < miny)
+      miny = p.y();
+    if ( p.z() < minz)
+      minz = p.z();
+  }
+  // translate into positive octant
+  Vector trans( -minx, -miny, -minz);
+  for ( Vertex_iterator i = P.vertices_begin(); i != P.vertices_end(); ++i) {
+    i->point() = i->point() + trans;
+  }
+  // write triangles
+  for ( Facet_iterator i = P.facets_begin(); i != P.facets_end(); ++i) {
+    Halfedge_handle h = i->halfedge();
+    if ( h->next()->next()->next() != h) {
+      cerr << argv[0] << " format error: polyhedron in file '"<<
+                         iname << "' is not triangulated." << endl;
+      exit( 1);
+    }
+    Point p = h->vertex()->point();
+    Point q = h->next()->vertex()->point();
+    Point r = h->next()->next()->vertex()->point();
+    // compute normal
+    Vector n = CGAL::cross_product( q-p, r-p);
+    Vector norm = n / std::sqrt( n * n);
+    *p_out << "    facet normal " << norm << endl;
+    *p_out << "      outer loop " << endl;
+    *p_out << "        vertex " << p << endl;
+    *p_out << "        vertex " << q << endl;
+    *p_out << "        vertex " << r << endl;
+    *p_out << "      endloop " << endl;
+    *p_out << "    endfacet " << endl;
+  }
+
+  *p_out << "endsolid " << oname << endl;
+  vout << "    .... done." << endl;
+
+  if ( !*p_in) {
+    cerr << argv[0] << " read error: while reading file '"<< iname << "'."
+                    << endl;
+    exit( 1);
+  }
+  if ( !*p_out) {
+    cerr << argv[0] <<" write error: while writing file '"<< oname << "'."
+                   << endl;
+    exit( 1);
+  }
+
+  return 0;
+}
+// EOF //
diff --git a/Polyhedron/examples/Polyhedron/off2vrml.cin b/Stream_support/examples/Stream_support/off2vrml.cin
similarity index 100%
rename from Polyhedron/examples/Polyhedron/off2vrml.cin
rename to Stream_support/examples/Stream_support/off2vrml.cin
diff --git a/Stream_support/examples/Stream_support/off2vrml.cpp b/Stream_support/examples/Stream_support/off2vrml.cpp
new file mode 100644
index 00000000000..5a12db9c481
--- /dev/null
+++ b/Stream_support/examples/Stream_support/off2vrml.cpp
@@ -0,0 +1,113 @@
+// Convert from OFF format to VRML (.wrl) 1.0 or 2.0 format.
+
+#include <CGAL/IO/Verbose_ostream.h>
+#include <CGAL/IO/VRML_1_ostream.h>
+#include <CGAL/IO/VRML_2_ostream.h>
+#include <CGAL/IO/File_writer_inventor.h>
+#include <CGAL/IO/File_writer_VRML_2.h>
+#include <CGAL/IO/generic_copy_OFF.h>
+#include <cstddef>
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+#include <fstream>
+
+using namespace std;
+
+bool  verbose      = false;
+int   version      = 1;
+
+// main function with standard unix commandline arguments
+// ------------------------------------------------------
+int main( int argc, char **argv) {
+  int n = 0; // number of filenames
+  char *filename[2];
+  bool help = false;
+  for (int i = 1; i < argc; i++) { // check commandline options
+    if ( strcmp( "-v", argv[i]) == 0)
+      verbose = true;
+    else if ( strcmp( "-2", argv[i]) == 0)
+      version = 2;
+    else if ( (strcmp( "-h", argv[i]) == 0) ||
+              (strcmp( "-help", argv[i]) == 0))
+      help = true;
+    else if ( n < 2 ) {
+      filename[ n++] = argv[i];
+    } else {
+      ++n;
+      break;
+    }
+  }
+  if ((n > 2) || help) {
+    if ( ! help)
+      cerr << "Error: in parameter list" << endl;
+    cerr << "Usage: " << argv[0] << " [<options>] [<infile> [<outfile>]]"
+         << endl;
+    cerr << "       convert a CGAL object (OFF) to VRML .wrl format."
+         << endl;
+    cerr << "       -2      VRML 2.0 (default is VRML 1.0)." << endl;
+    cerr << "       -v      verbose." << endl;
+    exit( ! help);
+  }
+
+  CGAL::Verbose_ostream vout( verbose);
+  vout << argv[0] << ": verbosity on." << endl;
+
+  const char*  iname = "cin";
+  istream*     p_in  = &cin;
+  ifstream     in;
+  if ( n > 0) {
+    in.open( filename[0]);
+    p_in = &in;
+    iname = filename[0];
+  }
+  if ( !*p_in) {
+    cerr << argv[0] << ": error: cannot open file '"<< iname
+                    << "' for reading." <<endl;
+    exit( 1);
+  }
+
+  const char*  oname = "cout";
+  ostream*     p_out = &cout;
+  ofstream     out;
+  if ( n > 1) {
+    out.open( filename[1]);
+    p_out = &out;
+    oname = filename[1];
+  }
+  if ( !*p_out) {
+    cerr << argv[0] << ": error: cannot open file '"<< oname
+                    << "' for writing." <<endl;
+    exit( 1);
+  }
+
+  vout << "CGAL::generic_copy_OFF( " << iname << ", " << oname
+       << ", V" << version << " ) ...." << endl;
+  if ( version == 1) {
+    CGAL::VRML_1_ostream os( *p_out);
+    CGAL::File_writer_inventor  writer;
+    CGAL::generic_copy_OFF( *p_in, *p_out, writer);
+    if(!os) return EXIT_FAILURE;
+    os.close();
+  } else {
+    CGAL::VRML_2_ostream os( *p_out);
+    CGAL::File_writer_VRML_2  writer;
+    CGAL::generic_copy_OFF( *p_in, *p_out, writer);
+    if(!os) return EXIT_FAILURE;
+    os.close();
+  }
+  vout << "    .... done." << endl;
+
+  if ( !*p_in) {
+    cerr << argv[0] << " read error: while reading file '"<< iname << "'."
+                    << endl;
+    exit( 1);
+  }
+  if ( !*p_out) {
+    cerr << argv[0] <<" write error: while writing file '"<< oname << "'."
+                   << endl;
+    exit( 1);
+  }
+  return 0;
+}
+// EOF //
diff --git a/Polyhedron/examples/Polyhedron/off2wav.cin b/Stream_support/examples/Stream_support/off2wav.cin
similarity index 100%
rename from Polyhedron/examples/Polyhedron/off2wav.cin
rename to Stream_support/examples/Stream_support/off2wav.cin
diff --git a/Stream_support/examples/Stream_support/off2wav.cpp b/Stream_support/examples/Stream_support/off2wav.cpp
new file mode 100644
index 00000000000..b97ead8edac
--- /dev/null
+++ b/Stream_support/examples/Stream_support/off2wav.cpp
@@ -0,0 +1,96 @@
+// Convert from OFF format to Wavefront (.obj) format.
+
+#include <CGAL/IO/Verbose_ostream.h>
+#include <CGAL/IO/File_writer_wavefront.h>
+#include <CGAL/IO/generic_copy_OFF.h>
+#include <cstddef>
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+#include <fstream>
+
+using namespace std;
+
+bool  verbose  = false;
+
+// main function with standard unix commandline arguments
+// ------------------------------------------------------
+int main( int argc, char **argv) {
+  int n = 0; // number of filenames
+  char *filename[2];
+  bool help = false;
+  for (int i = 1; i < argc; i++) { // check commandline options
+    if ( strcmp( "-v", argv[i]) == 0)
+      verbose = true;
+    else if ( (strcmp( "-h", argv[i]) == 0) ||
+              (strcmp( "-help", argv[i]) == 0))
+      help = true;
+    else if ( n < 2 ) {
+      filename[ n++] = argv[i];
+    } else {
+      ++n;
+      break;
+    }
+  }
+  if ((n > 2) || help) {
+    if ( ! help)
+      cerr << "Error: in parameter list" << endl;
+    cerr << "Usage: " << argv[0] << " [<options>] [<infile> [<outfile>]]"
+         << endl;
+    cerr << "       convert a CGAL object (OFF) to Wavefront obj format."
+         << endl;
+    cerr << "       -v      verbose." << endl;
+    exit( ! help);
+  }
+
+  CGAL::Verbose_ostream vout( verbose);
+  vout << argv[0] << ": verbosity on." << endl;
+
+  const char*  iname = "cin";
+  istream*     p_in  = &cin;
+  ifstream     in;
+  if ( n > 0) {
+    in.open( filename[0]);
+    p_in = &in;
+    iname = filename[0];
+  }
+  if ( !*p_in) {
+    cerr << argv[0] << ": error: cannot open file '"<< iname
+                    << "' for reading." <<endl;
+    exit( 1);
+  }
+
+  const char*  oname = "cout";
+  ostream*     p_out = &cout;
+  ofstream     out;
+  if ( n > 1) {
+    out.open( filename[1]);
+    p_out = &out;
+    oname = filename[1];
+  }
+  if ( !*p_out) {
+    cerr << argv[0] << ": error: cannot open file '"<< oname
+                    << "' for writing." <<endl;
+    exit( 1);
+  }
+
+  vout << "CGAL::generic_copy_OFF( " << iname << ", " << oname
+       << ") ...." << endl;
+  CGAL::File_writer_wavefront  writer;
+  CGAL::generic_copy_OFF( *p_in, *p_out, writer);
+  vout << "    .... done." << endl;
+
+  if ( !*p_in) {
+    cerr << argv[0] << " read error: while reading file '"<< iname << "'."
+                    << endl;
+    exit( 1);
+  }
+  if ( !*p_out) {
+    cerr << argv[0] <<" write error: while writing file '"<< oname << "'."
+                   << endl;
+    exit( 1);
+  }
+
+  return 0;
+}
+// EOF //
diff --git a/Polyhedron/examples/Polyhedron/off_bbox.cin b/Stream_support/examples/Stream_support/off_bbox.cin
similarity index 100%
rename from Polyhedron/examples/Polyhedron/off_bbox.cin
rename to Stream_support/examples/Stream_support/off_bbox.cin
diff --git a/Stream_support/examples/Stream_support/off_bbox.cpp b/Stream_support/examples/Stream_support/off_bbox.cpp
new file mode 100644
index 00000000000..278fa7b2226
--- /dev/null
+++ b/Stream_support/examples/Stream_support/off_bbox.cpp
@@ -0,0 +1,127 @@
+// computes bbox of an OFF object.
+
+#include <CGAL/Bbox_3.h>
+#include <CGAL/IO/Verbose_ostream.h>
+#include <CGAL/IO/File_scanner_OFF.h>
+#include <cstddef>
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+#include <fstream>
+#include <cfloat>
+
+
+using namespace std;
+
+bool  verbose   = false;
+bool  unitcube  = false;
+
+// main function with standard unix commandline arguments
+// ------------------------------------------------------
+int main( int argc, char **argv) {
+  int n = 0; // number of filenames
+  char *filename[1] = { NULL }; // stop compiler warning (too hard to rewrite the code to avoid it)
+  bool help = false;
+  for (int i = 1; i < argc; i++) { // check commandline options
+    if ( strcmp( "-v", argv[i]) == 0)
+      verbose = true;
+    else if ( strcmp( "-unit", argv[i]) == 0)
+      unitcube = true;
+    else if ( (strcmp( "-h", argv[i]) == 0) ||
+              (strcmp( "-help", argv[i]) == 0))
+      help = true;
+    else if ( n < 1 ) {
+      filename[ n++] = argv[i];
+    } else {
+      n++;
+      break;
+    }
+  }
+  if ((n > 1) || help) {
+    if ( ! help)
+      cerr << "Error: in parameter list" << endl;
+    cerr << "Usage: " << argv[0] << " [<options>] [<infile> [<outfile>]]"
+         << endl;
+    cerr << "Usage: " << argv[0] << " [<options>] [<infile>]" << endl;
+    cerr << "       computes the bbox of the coordinates of an OFF object."
+         << endl;
+    cerr << "       -unit     prints transformation to unit cube." << endl;
+    cerr << "                 (can be used with 'off_transform')" << endl;
+    cerr << "       -v      verbose." << endl;
+    exit( ! help);
+  }
+
+  CGAL::Verbose_ostream verr( verbose);
+  verr << argv[0] << ": verbosity on." << endl;
+
+  const char*  name = "cin";
+  istream*     p_in = &cin;
+  ifstream     in;
+  if ( n > 0) {
+    in.open( filename[0]);
+    p_in = &in;
+    name = filename[0];
+  }
+  if ( ! * p_in) {
+    cerr << argv[0] << ": error: cannot open file '"<< name
+                    << "' for reading." <<endl;
+    exit( 1);
+  }
+
+  verr << "CGAL::File_scanner_OFF( " << name << ") ...." << endl;
+  CGAL::File_scanner_OFF scanner( * p_in);
+  if ( ! * p_in) {
+    cerr << argv[0] << ": error: file '"<< name
+                    << "' is not in OFF format." << endl;
+    std::abort();
+  }
+  if ( scanner.size_of_vertices() <= 0) {
+    cerr << argv[0] << ": error: file '"<< name
+                    << "' has no vertices." << endl;
+    std::abort();
+  }
+  size_t  v = scanner.size_of_vertices();
+  CGAL::Bbox_3 bbox;
+  double x, y, z;
+  scanner.scan_vertex( x, y, z);
+  bbox = CGAL::Bbox_3( x,y,z, x,y,z);
+  v--;
+  while (v--) {
+    scanner.scan_vertex( x, y, z);
+    bbox = bbox + CGAL::Bbox_3( x,y,z, x,y,z);
+    scanner.skip_to_next_vertex( scanner.size_of_vertices() - v - 1);
+  }
+  verr << ".... done." << scanner.size_of_vertices() << " points read."
+       << endl;
+
+  if ( !in) {
+    cerr << argv[0] << " read error: while reading file '"<< name << "'."
+                    << endl;
+    exit( 1);
+  }
+  if ( ! unitcube) {
+    cout << bbox.xmin() << "  " << bbox.ymin() << "  " << bbox.zmin()
+         << '\n';
+    cout << bbox.xmax() << "  " << bbox.ymax() << "  " << bbox.zmax()
+         << endl;
+  } else {
+    double s = DBL_MAX;
+    double d = bbox.xmax() - bbox.xmin();
+    if ( d > 0 && 2/d < s)
+      s = 2/d;
+    d = bbox.ymax() - bbox.ymin();
+    if ( d > 0 && 2/d < s)
+      s = 2/d;
+    d = bbox.zmax() - bbox.zmin();
+    if ( d > 0 && 2/d < s)
+      s = 2/d;
+    if ( s == DBL_MAX)
+      s = 1;
+    cout << "-trans  " << (-(bbox.xmin() + bbox.xmax())/2)
+         << "  "       << (-(bbox.ymin() + bbox.ymax())/2)
+         << "  "       << (-(bbox.zmin() + bbox.zmax())/2)
+         << "  -scale  " << s << endl;
+  }
+  return 0;
+}
+// EOF //
diff --git a/Polyhedron/examples/Polyhedron/off_glue.cin b/Stream_support/examples/Stream_support/off_glue.cin
similarity index 100%
rename from Polyhedron/examples/Polyhedron/off_glue.cin
rename to Stream_support/examples/Stream_support/off_glue.cin
diff --git a/Stream_support/examples/Stream_support/off_glue.cpp b/Stream_support/examples/Stream_support/off_glue.cpp
new file mode 100644
index 00000000000..6948c8902b0
--- /dev/null
+++ b/Stream_support/examples/Stream_support/off_glue.cpp
@@ -0,0 +1,206 @@
+// Glue vertices of a polyhedron together that have equal coordinate values.
+
+#include <CGAL/Simple_cartesian.h>
+#include <CGAL/IO/Verbose_ostream.h>
+#include <CGAL/IO/File_scanner_OFF.h>
+#include <CGAL/IO/File_writer_OFF.h>
+#include <cstddef>
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+#include <fstream>
+#include <vector>
+#include <algorithm>
+
+using namespace std;
+
+typedef  CGAL::Simple_cartesian<double>  Kernel;
+typedef  Kernel::Point_3                 Point;
+typedef  Kernel::Vector_3                Vector;
+struct   Vertex {
+  Point   point;
+  Vector  normal;
+  int     index;
+};
+typedef  vector<Vertex>           Vertex_vector;
+typedef  Vertex_vector::iterator  VIterator;
+
+struct   VertexComp {
+  bool operator()( const Vertex* v, const Vertex* w) const {
+    return ( v->point.x() < w->point.x() ||
+             (v->point.x() == w->point.x() && v->point.y() < w->point.y()) ||
+             (v->point.x() == w->point.x() && (v->point.y() == w->point.y()
+                                               && v->point.z() < w->point.z())));
+  }
+};
+
+bool  verbose = false;
+bool  binary  = false;
+bool  skel    = false;
+bool  noc     = false;
+
+// main function with standard unix commandline arguments
+// ------------------------------------------------------
+int main( int argc, char **argv) {
+  int n = 0; // number of filenames
+  char *filename[2];
+  bool help = false;
+  for (int i=1 ; i < argc; i++) { // check commandline options
+    if ( strcmp( "-v", argv[i]) == 0)
+      verbose = true;
+    else if ( strcmp( "-b", argv[i]) == 0)
+      binary = true;
+    else if ( strcmp( "-skel", argv[i]) == 0)
+      skel = true;
+    else if ( strcmp( "-noc", argv[i]) == 0)
+      noc = true;
+    else if ( (strcmp( "-h", argv[i]) == 0) ||
+              (strcmp( "-help", argv[i]) == 0))
+      help = true;
+    else if ( n < 2 ) {
+      filename[ n++] = argv[i];
+    } else {
+      ++n;
+      break;
+    }
+  }
+  if ((n > 2) || help) {
+    if ( ! help)
+      cerr << "Error: in parameter list" << endl;
+    cerr << "Usage: " << argv[0] << " [<options>] [<infile> [<outfile>]]"
+         << endl;
+    cerr << "       glues vertices of equal coordinates together." << endl;
+    cerr << "       -b      binary output (default is ASCII)." << endl;
+    cerr << "       -skel   Geomview SKEL format." << endl;
+    cerr << "       -noc    no comments in file." << endl;
+    cerr << "       -v      verbose." << endl;
+    exit( ! help);
+  }
+
+  CGAL::Verbose_ostream vout( verbose);
+  vout << argv[0] << ": verbosity on." << endl;
+
+  const char*  name = "<cin>";
+  istream*     p_in = &cin;
+  ifstream     in;
+  if ( n > 0) {
+    in.open( filename[0]);
+    p_in = &in;
+    name = filename[0];
+  }
+  if ( !in) {
+    cerr << argv[0] << ": error: cannot open file '"<< name
+                    << "' for reading." <<endl;
+    exit( 1);
+  }
+
+  CGAL::File_scanner_OFF  scanner( * p_in);
+  if ( ! (*p_in)) {
+    cerr << " " << endl;
+    cerr << argv[0] << ": input error: file format is not in OFF." << endl;
+    std::abort();
+  }
+  Vertex_vector            vertices;
+  vector<Vertex*>          sorted_vertices;
+  // Avoid any reallocation
+  vertices.reserve(        scanner.size_of_vertices());
+  sorted_vertices.reserve( scanner.size_of_vertices());
+
+  float x, y, z;
+  for (std::size_t i = 0; i < scanner.size_of_vertices(); i++) {
+    Vertex  vertex;
+    scanner.scan_vertex( x, y, z);
+    vertex.point = Point( x, y, z);
+    //scanner.scan_normal( x, y, z);
+    vertex.normal = Vector( x, y, z);
+    scanner.skip_to_next_vertex( i);
+    vertex.index = -1;
+    vertices.push_back( vertex);
+    sorted_vertices.push_back( & vertices.back());
+  }
+  vout << scanner.size_of_vertices() << " vertices read." << endl;
+
+  sort( sorted_vertices.begin(), sorted_vertices.end(), VertexComp());
+  int current_index = 0;
+  sorted_vertices[0]->index = 0;
+  for (std::size_t i = 1; i < scanner.size_of_vertices(); i++) {
+    if ( sorted_vertices[i]->point != sorted_vertices[i-1]->point)
+      current_index++;
+    sorted_vertices[i]->index = current_index;
+  }
+  current_index++;
+  vout << "Merged to " << current_index << " vertices." << endl;
+
+  const char*  oname = "<cout>";
+  ostream*     p_out = &cout;
+  ofstream     out;
+  if ( n > 1) {
+    out.open( filename[1]);
+    p_out = &out;
+    oname = filename[1];
+  }
+  if ( !*p_out) {
+    cerr << argv[0] << ": error: cannot open file '"<< oname
+                    << "' for writing." <<endl;
+    exit( 1);
+  }
+
+  vout << "CGAL::File_writer_OFF( " << (binary ? ", binary" : ", ASCII")
+       << ") ...." << endl;
+  CGAL::File_header_OFF  header( binary, noc, skel, verbose);
+  CGAL::File_writer_OFF  writer( header);
+  writer.write_header(*p_out,
+                      current_index,
+                      0,
+                      scanner.size_of_facets(),
+                      scanner.has_normals());
+  vector<Vertex*>::iterator v = sorted_vertices.begin();
+  writer.write_vertex((*v)->point.x(), (*v)->point.y(), (*v)->point.z());
+  if ( scanner.has_normals()) {
+    writer.write_normal((*v)->normal.x(),
+                        (*v)->normal.y(),
+                        (*v)->normal.z());
+  }
+  ++v;
+  for ( ; v != sorted_vertices.end(); ++v) {
+    if ( (*v)->index != (*(v-1))->index) {
+      writer.write_vertex( (*v)->point.x(),
+                           (*v)->point.y(),
+                           (*v)->point.z());
+      if ( scanner.has_normals()) {
+        writer.write_normal( (*v)->normal.x(),
+                             (*v)->normal.y(),
+                             (*v)->normal.z());
+      }
+    }
+  }
+
+  // Copy facets and translate vertex indices.
+  writer.write_facet_header();
+  for (std::size_t i = 0; i < scanner.size_of_facets(); i++) {
+    std::size_t no;  // number of vertices of a facet.
+    scanner.scan_facet( no, i);
+    writer.write_facet_begin( no);
+    for ( std::size_t j = 0; j < no; j++) {
+      std::size_t index;
+      scanner.scan_facet_vertex_index( index, i);
+      writer.write_facet_vertex_index(  vertices[index].index);
+    }
+    scanner.skip_to_next_facet( i);
+    writer.write_facet_end();
+  }
+  writer.write_footer();
+  vout << "    .... done." << endl;
+
+  if ( ! * p_in) {
+    cerr << argv[0] << " read error: while reading file '"<< name << "'."
+                    << endl;
+    exit( 1);
+  }
+  if ( !*p_out) {
+    cerr << argv[0] << " write error: while writing file '"<< oname
+                    << "'."  << endl;
+    exit( 1);
+  }
+  return 0;
+}
diff --git a/Polyhedron/examples/Polyhedron/off_transform.cin b/Stream_support/examples/Stream_support/off_transform.cin
similarity index 100%
rename from Polyhedron/examples/Polyhedron/off_transform.cin
rename to Stream_support/examples/Stream_support/off_transform.cin
diff --git a/Stream_support/examples/Stream_support/off_transform.cpp b/Stream_support/examples/Stream_support/off_transform.cpp
new file mode 100644
index 00000000000..34b334172e2
--- /dev/null
+++ b/Stream_support/examples/Stream_support/off_transform.cpp
@@ -0,0 +1,164 @@
+// Applies translation and scaling to an OFF object.
+
+#include <CGAL/Simple_cartesian.h>
+#include <CGAL/IO/Verbose_ostream.h>
+#include <CGAL/IO/File_scanner_OFF.h>
+#include <CGAL/IO/File_writer_OFF.h>
+#include <cstddef>
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+#include <fstream>
+
+using namespace std;
+
+typedef  CGAL::Simple_cartesian<double>  Kernel;
+typedef  Kernel::Point_3                 Point;
+typedef  Kernel::Vector_3                Vector;
+
+bool    verbose      = false;
+bool    binary       = false;
+bool    skel         = false;
+bool    noc          = false;
+
+double  transx       =  0.0;
+double  transy       =  0.0;
+double  transz       =  0.0;
+double  scale        =  1.0;
+
+// main function with standard unix commandline arguments
+// ------------------------------------------------------
+int main( int argc, char **argv) {
+  int n = 0; // number of filenames
+  char *filename[2];
+  bool help = false;
+  for (int i = 1; i < argc; i++) { // check commandline options
+    if ( strcmp( "-v", argv[i]) == 0)
+      verbose = true;
+    else if ( strcmp( "-b", argv[i]) == 0)
+      binary = true;
+    else if ( strcmp( "-skel", argv[i]) == 0)
+      skel = true;
+    else if ( strcmp( "-noc", argv[i]) == 0)
+      noc = true;
+    else if ( strcmp( "-scale", argv[i]) == 0) {
+      i++;
+      if ( i < argc) {
+        scale = atof( argv[i]);
+      } else {
+        cerr << argv[0] << ": error: -scale needs a double parameter."
+                        << endl;
+        help = true;
+      }
+    } else if ( strcmp( "-trans", argv[i]) == 0) {
+      i++;
+      if ( i+2 < argc) {
+        transx = atof( argv[i]);
+        i++;
+        transy = atof( argv[i]);
+        i++;
+        transz = atof( argv[i]);
+      } else {
+        cerr << argv[0] << ": error: -trans needs three double "
+                           "parameters." << endl;
+        help = true;
+      }
+    } else if ( (strcmp( "-h", argv[i]) == 0) ||
+                (strcmp( "-help", argv[i]) == 0))
+      help = true;
+    else if ( n < 2 ) {
+      filename[ n++] = argv[i];
+    } else {
+      ++n;
+      break;
+    }
+  }
+  if ((n > 2) || help) {
+    if ( ! help)
+      cerr << "Error: in parameter list" << endl;
+    cerr << "Usage: " << argv[0] << " [<options>] [<infile> [<outfile>]]"
+         << endl;
+    cerr << "       transforms coordinate values of an OFF object."
+         << endl;
+    cerr << "       -trans <x> <y> <y>    translation." << endl;
+    cerr << "       -scale <s>            uniform scaling." << endl;
+    cerr << "       -b                    binary (default is ASCII)."
+         << endl;
+    cerr << "       -skel                 Geomview SKEL format." << endl;
+    cerr << "       -noc                  no comments in file." << endl;
+    cerr << "       -v                    verbose." << endl;
+    exit( ! help);
+  }
+
+  CGAL::Verbose_ostream verr( verbose);
+  verr << argv[0] << ": verbosity on." << endl;
+
+  const char*  name = "cin";
+  istream*     p_in = &cin;
+  ifstream     in;
+  if ( n > 0) {
+    in.open( filename[0]);
+    p_in = &in;
+    name = filename[0];
+  }
+  if ( ! * p_in) {
+    cerr << argv[0] << ": error: cannot open file '"<< name
+                    << "' for reading." <<endl;
+    exit( 1);
+  }
+
+  verr << "CGAL::File_scanner_OFF( " << name << ") ...." << endl;
+  CGAL::File_scanner_OFF scanner( * p_in);
+  if ( ! * p_in) {
+    cerr << argv[0] << ": error: file '"<< name
+                    << "' is not in OFF format." << endl;
+    std::abort();
+  }
+  verr << "CGAL::File_writer_OFF( ..." << endl;
+  const char*  oname = "cout";
+  ostream*     p_out = &cout;
+  ofstream     out;
+  if ( n > 1) {
+    out.open( filename[1]);
+    p_out = &out;
+    oname = filename[1];
+  }
+  if ( !*p_out) {
+    cerr << argv[0] << ": error: cannot open file '"<< oname
+                    << "' for writing." <<endl;
+    exit( 1);
+  }
+
+  CGAL::File_header_OFF  header( binary, noc, skel, verbose);
+  CGAL::File_writer_OFF  writer( header);
+  writer.write_header( * p_out,
+                       scanner.size_of_vertices(),
+                       scanner.size_of_halfedges(),
+                       scanner.size_of_facets());
+
+  Vector v( transx, transy, transz);
+  for ( std::size_t k = 0; k < scanner.size_of_vertices(); ++k) {
+    double x, y, z;
+    scanner.scan_vertex( x, y, z);
+    Point q( x, y, z);
+    q = q + v;
+    q = CGAL::ORIGIN + ( (q - CGAL::ORIGIN) * scale );
+    scanner.skip_to_next_vertex( k);
+    writer.write_vertex( q.x(), q.y(), q.z());
+  }
+  verr << "    .... done." << scanner.size_of_vertices() << " points read."
+       << endl;
+
+  if ( ! *p_in) {
+    cerr << argv[0] << " read error: while reading file '"<< name << "'."
+                    << endl;
+    exit( 1);
+  }
+  writer.write_facet_header();
+  * p_out << endl;
+  char c;
+  while ( (*p_in).get(c))
+    * p_out << c;
+  return 0;
+}
+// EOF //